Class PlanetScaleChatMessageHistory

Class for storing and retrieving chat message history from a PlanetScale database. Extends the BaseListChatMessageHistory class.

Example

const chatHistory = new PlanetScaleChatMessageHistory({
  tableName: "stored_message",
  sessionId: "lc-example",
  config: {
    url: "ADD_YOURS_HERE",
  },
});
const chain = new ConversationChain({
  llm: new ChatOpenAI(),
  memory: chatHistory,
});
const response = await chain.invoke({
  input: "What did I just say my name was?",
});
console.log({ response });
Copy